Questions tagged [matter]

Use this tag for questions related to mass and any materials that have volume and the objects they constitute.

385 questions
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4 answers

What would happen to matter if it was squeezed indefinitely?

I hope that this is a fun question for you physicists to answer. Say you had a perfect piston - its infinitely strong, infinitely dense, has infinite compression ... you get the idea. Then you fill it with some type of matter, like water or dirt or…
Mardymar
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2
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3 answers

Where does the rubber go when a tire wears down?

Every year millions of car tires are worn down on our highways, yet the roads are not all black from the rubber, neither are the sides of the roads black. Where does all the rubber go?
2
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2 answers

Possible quantum states and eternity

According to a TED talk by Sean Carroll (about 12' 40" in) if our universe is going to expand forever according the observed expansion rate we have calculated and the possible quantum states for our universe will occur in time span of…
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0 answers

Can we say there is literally nothing like vacuum

OK am trying to find out the meaning of vacuum since particle do exist everywhere even where all 'matter' has being removed am certain the definition of vacuum doesn't make sense with particles can someone explain this better thanks in advance
0
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1 answer

For an auxetic solid, what is the relationship between the Shear modulus and the Young's modulus?

I know that for an isotropic solid, G = Y/2(1+v) but not sure if it is the same for an auxetic solid?
0
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1 answer

When a solid is dissolved in a liquid, is it still a solid, what about individual atoms or molecules in a vacuum?

I am trying to gain a better understanding about states of matter, the last paragraph is the most important one to be answered. ​It is my understanding that when a solid is dissolved into a liquid, at least some of it is individual molecules or…
0
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2 answers

When an atom is smashed what happens to the subatomic particles created?

Since in theory matter can't be created or destroyed except through a nuclear reaction, what happens to an atom's subatomic particles when it is smashed?
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1 answer

Age of the first universe according eternal inflation model

In the eternal inflation our universe has the approximate age of 13.7 billion years.the question is; what's the age of the first universe that was made according this theory ?thanks
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1 answer

What happen if an electron meets another electron?

A person give me an idea for my physical problem, and I think the answer of this question would be the next step for its answer I only want to know what they are doing with each other if they meet each other (I know that they will not annihilate…
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2 answers

What happens to matter if it is left undisturbed for a long time?

What happens to matter if it is left undisturbed for a long time? Since the question isn't clear enough, here's an experiment: If we put some non-radioactive matter in a box and slow the speed of the universe outside the box by a factor of…
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1 answer

Mass defect and macroscopic phase transitions

Will there be a mass defect of a water 1kg boiling into vapour? When the vapour is turned back into water, do you think there will be a mass defect or we get the same mass?
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1 answer

does matter exist?

i suddenly think this out of nowhere. suppose when we see for example cells at the micro scale, we will see solid objects and space, and when we see these solid objects at the atomic scale, we will see more solid objects(which is atom) and space,…